Home / 65,499,145.40-98,130,620.10-31,345,203.80

Finding the Fourth Proportional to 65,499,145.40, 98,130,620.10 and 31,345,203.80

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Solution

The fourth proportional to 65,499,145.40, 98,130,620.10 and 31,345,203.80 is: 46,961,288.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,499,145.40 : 98,130,620.10 = 31,345,203.80 : x
  2. Step 2: Convert to fraction form
    65,499,145.40/98,130,620.10 = 31,345,203.80/x
  3. Step 3: Cross multiply
    65,499,145.40x = 98,130,620.10 × 31,345,203.80
  4. Step 4: Simplify right side
    65,499,145.40x = 3,075,924,286,054,876.50
  5. Step 5: Solve for x
    x = 3,075,924,286,054,876.50/65,499,145.40
  6. Step 6: Final answer
    x = 46,961,288.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.